If you inject your sample into the Gas Chromatography and wait several minutes but there is no peak (at all, not even an air peak), what could be the reason for this? How might you solve this problem?

Q: red 3. A student performs a separation by TLC on a silica get plate that results in three spots. A…

A: Introduction:  Thin-layer chromatography (TLC) is an important technique for the identification and…

Q: 2. Several standards were chromatographed, 0.5 1.0 2.0 Conc (ug/ml) Peak area 5.0 10.1 17.2 and the…

A: The graph is to be plot by taking concentration(μg/mL) in X-axis and peak area in Y-axis.

Q: Based on the first set of numbers, please help solve the rest.

A: Detailed explanation:  To solve the gas chromatography of lime oil problem, we need to calculate the…

Q: A solution containing 2.30 mM of X (analyte) and 1.15 mM of S (standard) gave peak areas of 1728 and…

A: Given,   known Amount of X = 2.30 mM, amount of S = 1.15 mM  Peak area of X is 1728 and that of S is…

Q: Calculate the resolution between peaks A and B and between peaks D peak E. Make sure your answers…

A: a. To calculate the resolution of 2 peaks from one another.     This is given by the formula:…

Q: Compare and contrast a column chromatography, TLC, and GC according to stationary phase,  moving…

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Q: A student separates colored compounds A and B (shown in grey in the figure below) using column…

A: A question based on analytical process. Based on the Column chromatography and the polarity index,…

Q: In column chromatography, Say one compound in the mixture advanced through the column (eluted) and…

A: The compound in the mixture stuck in the column indicates that it is highly polar.

Q: 3. Two peaks in a particular gas chromatogram have a retention ratio of 1.25. If this mixture was…

A: The ratio of the retention periods of two peaks is known as the retention ratio in gas…

Q: TLC is a quick, inexpensive microscale technique that cannot be used to: verify a substance's…

A: The concept and working principle of Thin Layer Chromatography (TLC) are-TLC works on the principle…

Q: In another chromatography experiment, pure chemical “A” leaves a yellow spot with an Rf = 0.49 and…

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Q: She performed a normal phase chromatography to separate the components of an extract. She then…

A: Thin layer chromatography (TLC) and Rf factor

Q: Which of the following statements about a gas chromatogram is correct? O Tailing indicates that the…

A: A question based on analytical separations that is to be accomplished.

Q: a. Which type of chromatography based on the polarity of the stationary phase was employed in the…

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: liquid

A: ✓Eluent is the portion of the mobile phase, which carries the sample components with it. In liquid…

Q: What do you mean by chromatography write its application? Write in detail.

A: Chromatography is a widely used technique for separation of mixture, it is a technique used for…

Q: Are there any difference between using a 2% NaCl and using a water in the paper chromatography. If…

A: Chromatography is defined as the process of separation of components on the basis of color.

Q: In Paper Chromatography, when the solvent wicks up the paper and causes the separation of your…

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Q: technique called “GCMS” is often used instead of simple GC analysis. This technique entails passing…

A: GC stands for gas chromatography. It is a chromatography technique used in chemistry. MS stands for…

Q: Vitamin C Analysis, a student accidentally puts 1.0 g of sodium bicarbonate (NaHCO3) solid into the…

A: The sodium bicarbonate (NaHCO3) solid is a base which neutralises the acid in the reaction. Hence it…

Q: Dissolve 1 mL of clove oil in 2 mL of dichloromethane. Add 10 mL of aqueous sodium hydroxide (NaOH)…

A: a) The component of clove oil that ends up in the layer containing the NaOH (sodium hydroxide) is…

Q: d. The chromatogram below was the first attempt at separating this four-component mixture. This…

A: The aim of this question is to show the change was to improve resolution and explain complete…

Q: When you prepare your sample to run through the column chromatography , what is the first proper…

A: For the column chromatography the sample should be properly dissolved in an appropriate solvent

Q: Which of the following statements about the setup of thin layer chromatography is FALSE?     The…

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Q: which method generally separates greater masses of sample? a) high performance liquid chromatography…

A: Different methods are employed to separate the component in a given sample.  Examples-  thin layer…

Q: how would you sample, preserve and prepare these samples for GC analysis and why GC is the best…

A: Gas chromatography is a technique utilized to separate compounds in mixture by introducing the…

Q: a) What would you see if you ran a Thin Layer Chromatography (TLC) on a mixture of the three solids…

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Q: consequence of an open and uncovered chromatographic chamber?   The travel rate of a component…

A: Chromatography is based on the principle where molecules in mixture applied onto the surface or into…

Q: Why do we not need "spitless" injection to measure the toluene content of gasoline using gas…

A: Given : Splitless injection.  To find : Reason for using Splitless injection in gas chromatography.…

Q: In the Thermo Fisher application note about wine analysis (Lesson 3), the following chromatogram was…

A: Resolution factor  shows accuracy of quantitative analysis

Q: During chromatographic analysis of bromocamphor, two peaks were found on the chromatogram: camphor…

A: In this problem, from the chromatographic analysis of a sample of bromo camphor, we have to…

Q: B. There was big news all over the internet that the Ponkan oranges that were imported from one of…

A: Gas chromatography:       Gas chromatography is an analytical technique used to seperate the…

Q: If two peaks were overlapping in the gas chromatogram of a sample, how might you increase the…

A: • Given problem of Gas Chromatography is that, " If the two peaks were overlapping in the gas…

Q: An orange compound was added to the top of a chromatography column. Solvent was added immediately,…

A: An orange compound was added to the top of a chromatography column. The solvent was added…

Q: What is the role of helium gas in gas chromatography? O stationary phase O It does not play a role…

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Q: 1. In thin layer chromatography (TLC), why do you need to use a pencil in marking the spots, origin,…

A: 1. Marker spot is soluble in the solvent. Therefore it will move on TLC plate with solvent. 2.…

Q: ntify the false statement about chromatography. The mobile phase is a liquid or gas in which…

A: Chromatography is a technique for the separation of a mixture into its components. There are two…

Q: What is an advantage of Gas Chromatography and Mass Spectrometry (GS/MS).   a. It is time…

A: Both a and b are disadvantages of Gas Chromatography and Mass Spectrometry (GS/MS) Option d is also…

Q: In the diagram of TLC for column chromatography, when does the organic product show up, and when…

A: The question is based on the concept of column chromatography. it is a method of separating…

Q: m doing lab report for thin layer chromatography right now, but I'm struggling with a question about…

A: TLC is used in organic synthesis to know whether the reaction is completed or not . And the no of…

Q: Here, you can find an example of a paper chromatography experiment. Use the two Chromatograms below…

A: Given that , There are two chromatograms. Following are the appropriate answers of the given…

Q: Which of the following statements about the mobile phase in Supercritical fluid chromatography (SFC)…

A: Gas chromatography is a type of chromatography used in analytical chemistry used for separating and…

Q: B1 B2 Y5 R3 R40 O O O B1 B2 Y5 G 50 O R3 R40 ☺ B1 B2 Y5 origin line 0 R3 R40 O Q eluted with Solvent…

A: Given:Y is the eluting solventUnknown #1 contains both Unknown #2 contains both Chromatography is…